CN103890860B - Graphene-based laminates including the polymeric layer of doping - Google Patents

Graphene-based laminates including the polymeric layer of doping Download PDF

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CN103890860B
CN103890860B CN201280042456.3A CN201280042456A CN103890860B CN 103890860 B CN103890860 B CN 103890860B CN 201280042456 A CN201280042456 A CN 201280042456A CN 103890860 B CN103890860 B CN 103890860B
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unsubstituted
substituted
graphene
doping
group
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CN103890860A (en
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梁友锡
金炯根
金太永
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Vosarun Ltd.
Korea Electronics Technology Institute
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Electro-Components Institute
Samsung Techwin Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/04Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/30Self-sustaining carbon mass or layer with impregnant or other layer

Abstract

Disclose the graphene-based laminates of a kind of polymeric layer including doping.Described graphene-based laminates comprises the steps that substrate;Graphene layer, is arranged in substrate and includes at least one of which;The polymeric layer of doping, is arranged at least one surface of graphene layer and includes organic adulterant.

Description

Graphene-based laminates including the polymeric layer of doping
Technical field
It relates to a kind of graphene-based laminates, more particularly, it relates to a kind of polymeric layer including doping Graphene-based laminates, the polymeric layer of this doping can control the electric conductivity of graphene layer and protect the stone of graphene-based laminates Ink alkene layer.
Background technology
Graphene is a kind of material with high conductivity and stable electrology characteristic, mechanical property and chemical characteristic. The electron mobility of Graphene is about 100 times of silicon high, and current flow rate is about 100 times high of copper.Therefore, recent pin The various aspects of Graphene are the most much studied.
Graphene is only made up of the carbon with relatively small atomic wts, is thus susceptible to be processed into one-dimensional or two-dimensional nano figure Case.According to the various chemical bonds of carbon, Graphene can be applicable to control semiconducting character or the conductive characteristic of material, and can apply In manufacturing the most such as sensor and the functional devices of storage device.
Transparency electrode field is the application that a market of Graphene quickly increases.Owing to using Indium sesquioxide. for a long time Stannum (ITO) is as main transparent electrode material so that the problem that such as indium resource exhaustion and cost increase has occurred.And And, indium is breakable, is not therefore suitable for collapsible or ductile flexible product.Due to these reasons, for exploitation stone Ink alkene is as the substitute of indium, existing increasing demand.
But, also it is not carried out being effectively synthesized and shift or suitable adulterant of Graphene, the most currently available Graphene-based electrode assembly is it cannot be guaranteed that scale required for gratifying quality and actual production.
Summary of the invention
Technical problem
The present invention provides the graphene-based laminates of a kind of polymeric layer including doping, and the polymeric layer of this doping is controlled The electric conductivity of graphene layer processed and protect the graphene layer of graphene-based laminates.
Technical scheme
According to an aspect of the present invention, graphene-based laminates includes: substrate;Graphene layer, is arranged in substrate And including at least one of which;The polymeric layer of doping, is arranged at least one surface of graphene layer and includes organic Adulterant.
Described substrate can have the transparency, flexibility, the characteristic of ductility or the combination of these characteristics.
Described substrate may utilize to be had the polymer of repetitive and manufactures, and this repetitive includes from by replacing or not taking The thiazolinyl in generation, substituted or unsubstituted ester group, substituted or unsubstituted ether, substituted or unsubstituted acrylate-based, replacement Or it is unsubstituted carbonate group, substituted or unsubstituted styryl, substituted or unsubstituted amide groups, substituted or unsubstituted At least one selected in the group of imide and substituted or unsubstituted sulfuryl composition.Described substrate may utilize cellulose or bag Include the polymer of cellulose and manufacture.The quantity of repetitive can be in the range of about 1 to about 500, in certain embodiments Can be in the range of about 1 to about 300.Polymer can be homopolymer or copolymer.Such as, polymer can be homopolymer. In copolymer, the ratio of different repeat units can be controlled as scope commonly used in the art aptly, such as, control be The scope of 0.01:0.99 to 0.99:0.01.
As used herein, " thiazolinyl " can be " substituted or unsubstituted C2~C20 thiazolinyl ", for example, it may be " take Generation or unsubstituted C2~C10 thiazolinyl ".Term " replaces " can refer to that replacement has following radicals: halogen atom, replacement have halogen former C1~C20 alkyl (such as, the CF of son3、CHF2、CH2F、CCl3Deng), hydroxyl, nitro, cyano group, amino, amidino groups, hydrazine, hydrazone, carboxyl Or its salt, sulfonic group or its salt, phosphate or its salt, C1~C20 alkyl, C2~C20 thiazolinyl, C2~C20 alkynyl, C1~C20 Miscellaneous alkyl, C6~C20 aryl, C6~C20 aralkyl, C6~C20 heteroaryl or C6~C20 heteroarylalkyl.
As used herein, " ester group " refers to the group represented with-COOR, and " carbonate group " refers to-OC (=O) (OR) group represented, " amide groups " refers to-RC (=O) NR1The group represented, " imide " refers to-R1C(=O)N(R) C(=O)R2The group represented, " sulfone " refers to-RSO2R1The group represented.In these chemical formulas, R, R1And R2All can be independent Ground is hydrogen, C1~C10 alkyl or C6~C20 aryl.
As used herein, " including the polymer of cellulose " refers to the polymer of cellulose, and is to have The polymer of repetitive, this repetitive includes from by substituted or unsubstituted thiazolinyl, substituted or unsubstituted ester group, replacement Or it is unsubstituted ether, substituted or unsubstituted carbonate group acrylate-based, substituted or unsubstituted, substituted or unsubstituted Styryl, substituted or unsubstituted amide groups, substituted or unsubstituted imide and substituted or unsubstituted sulfuryl composition Group in select at least one.
In certain embodiments, organic blended dose of the polymeric layer of doping can be ionic liquid, and ionic liquid can wrap Include the compound represented by formula 1 below and/or chemical formula 2:
[chemical formula 1]
In chemical formula 1, R1And R2Can be mutually the same or different from each other, and all can independently be hydrogen, replacement or Unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, replacement Or unsubstituted C3~C16 cycloalkyl, substituted or unsubstituted C6~C16 aryl or substituted or unsubstituted C6~C20 are miscellaneous Aryl;X-The anion of ionic liquid can be represented.
[chemical formula 2]
In chemical formula 2, R3And R4Can be mutually the same or different from each other, and all can independently be hydrogen, replacement or Unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, replacement Or unsubstituted C3~C16 cycloalkyl, substituted or unsubstituted C6~C16 aryl or substituted or unsubstituted C6~C20 are miscellaneous Aryl;X-The anion of ionic liquid can be represented.
For chemical formula 1 and/or chemical formula 2, term " replaces " and refers to that replacement has a following radicals: halogen atom, replaces and has halogen C1~C20 alkyl (such as, the CF of element atom3、CHF2、CH2F、CCl3Deng), hydroxyl, nitro, cyano group, amino, amidino groups, hydrazine, hydrazone, Carboxyl or its salt, sulfonic group or its salt, phosphate or its salt, C1~C20 alkyl, C2~C20 thiazolinyl, C2~C20 alkynyl, C1~ The miscellaneous alkyl of C20, C6~C20 aryl, C6~C20 aralkyl, C6~C20 heteroaryl or C6~C20 heteroarylalkyl.
Cation in chemical formula 1 can include from by 1,3-methylimidazole, 1,3-diethyl imidazolium, 1-ethyl- 3-Methylimidazole., 1-butyl-3-Methylimidazole., 1-hexyl-3-Methylimidazole., 1-octyl group-3-Methylimidazole., 1-last of the ten Heavenly stems The group of base-3-Methylimidazole., 1-dodecyl-3-Methylimidazole. and 1-myristyl-3-Methylimidazole. composition is selected At least one selected.
Cation in chemical formula 2 can include from by 1-picoline, 1-ethylpyridine, 1-butyl-pyridinium, 1- Ethyl-3-picoline, 1-butyl-3-picoline, 1-hexyl-3-picoline and 1-butyl-3,4-dimethyl At least one selected in the group of pyridine composition.
The anion of the ionic liquid of chemical formula 1 or 2 can be organic anion or inorganic anion.Such as, chemical formula 1 Or the anion of the ionic liquid of 2 can include from by Br-、Cl-、I-、BF4 -、PF6 -、ClO4 -、NO3 -、AlCl4 -、Al2Cl7 -、 AsF6 -、SbF6 -、CH3COO-、CF3COO-、CH3SO3 -、C2H5SO3 -、CH3SO4 -、C2H5SO4 -、CF3SO3 -、(CF3SO2)2N-、 (CF3SO2)3C-、(CF3CF2SO2)2N-、C4F9SO3 -、C3F7COO-(CF3SO2)(CF3CO)N-The group of composition selects at least A kind of.In certain embodiments, the polymeric layer of doping may also include can be compatible with described ionic liquid polymer.Such as, Can include from by polyvinyl alcohol, polymethyl methacrylate, poly(ethylene oxide), poly-by the polymer compatible with described ionic liquid At least one selected in the group of expoxy propane, polyvinylidene fluoride and their copolymer composition.Different repetitions in copolymer The ratio of unit can be scope commonly used in the art by controlling aptly, such as, controls as 0.01:0.99 to 0.99: The scope of 0.01.
Invention effect
As it has been described above, according to one or more embodiment of the present invention, graphene-based laminates may be included in Graphene The polymeric layer of the doping at least one surface of layer, to control the electric conductivity of graphene layer.The polymeric layer of doping can be protected Protect graphene layer and stablize graphene layer further.
Accompanying drawing explanation
Fig. 1 is the perspective schematic view according to the graphene-based laminates that embodiment of the disclosure;
Fig. 2 is the sectional view of the graphene-based laminates according to the Fig. 1 that embodiment of the disclosure;
Fig. 3 is the sectional view of the graphene-based laminates of Fig. 1 of another embodiment according to the disclosure.
For preferred embodiment of the present invention
Hereinafter, with reference to the accompanying drawings embodiments of the invention are described below in greater detail.
Fig. 1 is the perspective schematic view according to the graphene-based laminates 100 that embodiment of the disclosure.Fig. 2 and Fig. 3 is root Sectional view according to the graphene-based laminates of the Fig. 1 that embodiment of the disclosure.
With reference to Fig. 1, graphene-based laminates (laminates based on Graphene) 100 can include substrate 110, be arranged on substrate Graphene layer 120 on 110 and the polymeric layer 130 of doping being arranged at least one surface of graphene layer 120.
Graphene-based laminates 100 can be used for manufacturing the electric field crystal such as of future generation needing flexible and/or extension characteristics The electrode (particularly transparency electrode) of the various electric device of pipe or diode etc., or be used for manufacturing Graphene transparent electrical Pole, this graphene transparent electrode becomes the electronic technology of problem for area of solar cell, touch sensor field and flexibility Photovoltaic applications in field.
Substrate 110 can have the transparency, flexibility, the characteristic of ductility or the combination of these characteristics.Substrate 110 can include tool Have the polymer of repetitive, this repetitive include from by substituted or unsubstituted thiazolinyl, substituted or unsubstituted ester group, take Generation or unsubstituted ether, substituted or unsubstituted carbonate group acrylate-based, substituted or unsubstituted, replacement or unsubstituted Styryl, substituted or unsubstituted amide groups, substituted or unsubstituted imide and replacement and unsubstituted sulfuryl group At least one selected in the group become.The quantity of repetitive can be in the range of about 1 to about 500, in certain embodiments Can be in the range of about 1 to about 300.Polymer can be homopolymer or copolymer.Such as, polymer can be homopolymer. In copolymer, the ratio of different repeat units can be controlled aptly as the usual range in this area.
As used herein, " thiazolinyl " can be " substituted or unsubstituted C2~C20 thiazolinyl ", for example, it may be " take Generation or unsubstituted C2~C10 thiazolinyl ".Term " replaces " can refer to that replacement has following radicals: halogen atom, replacement have halogen former C1~C20 alkyl (such as, the CF of son3、CHF2、CH2F、CCl3Deng), hydroxyl, nitro, cyano group, amino, amidino groups, hydrazine, hydrazone, carboxyl Or its salt, sulfonic group or its salt, phosphate or its salt, C1~C20 alkyl, C2~C20 thiazolinyl, C2~C20 alkynyl, C1~C20 Miscellaneous alkyl, C6~C20 aryl, C6~C20 aralkyl, C6~C20 heteroaryl or C6~C20 heteroarylalkyl.
As used herein, " ester group " refers to the group represented with-COOR, and " carbonate group " refers to-OC (=O) (OR) group represented, " amide groups " refers to-RC (=O) NR1The group represented, " imide " refers to-R1C(=O)N(R) C(=O)R2The group represented, " sulfone " refers to-RSO2R1The group represented.In these chemical formulas, R, R1And R2All can be independent Ground is hydrogen, C1~C10 alkyl or C6~C20 aryl.
As used herein, " including the polymer of cellulose " refers to the polymer of cellulose, and is to have The polymer of repetitive, this repetitive includes from by substituted or unsubstituted thiazolinyl, substituted or unsubstituted ester group, replacement Or it is unsubstituted ether, substituted or unsubstituted carbonate group acrylate-based, substituted or unsubstituted, substituted or unsubstituted Styryl, substituted or unsubstituted amide groups, substituted or unsubstituted imide and substituted or unsubstituted sulfuryl composition Group in select at least one.
Polymer for substrate can be such as polymethyl methacrylate (PMMA), polyethylene terephthalate (PET), PEN (PEN), Merlon (PC) or polyimides (PI).
Graphene layer 120 may be formed in substrate 110.The side forming graphene layer 120 will be described subsequently in substrate 110 Method.
Graphene layer 120 can be graphene layer or graphene film, and plurality of carbon atom is the most covalently bound to be formed Multi-ring aromatic molecules.
The most covalently bound carbon atom can be formed but be not limited to hexatomic ring as shown in Figure 1, as basic repetition Unit.Covalently bound carbon atom can also form five-membered ring, heptatomic ring etc..
Graphene layer 120 can be but not limited to monolayer.Graphene layer 120 can also be multilamellar.Such as, graphene layer 120 can be 2 layers to 50 layers.
Graphene layer 120 can have large area, such as, has the about 1mm length to about 1000m in the lateral or vertical direction.
The polymeric layer 130 of doping may be disposed at least one surface of graphene layer 120 and includes organic mixing Miscellaneous dose.The polymeric layer 130 of doping can control the electric conductivity of graphene layer 120 and can protect graphene layer 120.
As it is shown in figure 1, the polymeric layer 130 of doping may be disposed between substrate 110 and graphene layer 120.But, this Inventive embodiment is not limited to this.Such as, as in figure 2 it is shown, the polymeric layer 130 of doping may be disposed on graphene layer 120. Such as, as it is shown on figure 3, the polymeric layer 130 of doping can include that be arranged between substrate 110 and graphene layer 120 first mixes Miscellaneous polymeric layer 130a and the second polymeric layer 130b adulterated being arranged on graphene layer 120.Form the polymerization of doping The method of nitride layer 130 will describe subsequently.
Organic blended dose in the polymeric layer 130 of doping can be ionic liquid.The polymeric layer 130 of doping is all right Including polymer.
Ionic liquid in the polymeric layer 130 of doping refers to be made up of ionic bond but at room temperature with the thing of liquid phase existence Matter.That is, ionic liquid be made up of ionic bond and have based on cation and the combination of anion various physical characteristic and The salt of the liquid phase of chemical characteristic.
Ionic liquid can be chemically stable and heat-staple, and can have highly polar and high ion-conductivity.From Sub-liquid can be as adulterant, it is possible to control the electronic state of Graphene by interacting with Graphene.
In certain embodiments, in graphene-based laminates 100, the ionic liquid in the polymeric layer 130 of doping can Including the compound represented by formula 1 below.
[chemical formula 1]
The ionic liquid of chemical formula 1 can be imidazole salt ionic liquid.In chemical formula 1, R1And R2Can be each other Identical or different from each other, and all can independently be hydrogen, substituted or unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, substituted or unsubstituted C3~C16 cycloalkyl, replacement or do not take C6~the C16 aryl in generation or substituted or unsubstituted C6~C20 heteroaryl;X-can represent the anion of ionic liquid.
About chemical formula 1, term " replaces " and refers to that replacement has a following radicals: halogen atom, replace the C1 having halogen atom ~C20 alkyl (such as, CF3、CHF2、CH2F、CCl3Deng), hydroxyl, nitro, cyano group, amino, amidino groups, hydrazine, hydrazone, carboxyl or its Salt, sulfonic group or its salt, phosphate or its salt, C1~C20 alkyl, C2~C20 thiazolinyl, C2~C20 alkynyl, the miscellaneous alkane of C1~C20 Base, C6~C20 aryl, C6~C20 aralkyl, C6~C20 heteroaryl or C6~C20 heteroarylalkyl.
Cation in chemical formula 1 can include from by 1,3-methylimidazole, 1,3-diethyl imidazolium, 1-ethyl- 3-Methylimidazole., 1-butyl-3-Methylimidazole., 1-hexyl-3-Methylimidazole., 1-octyl group-3-Methylimidazole., 1-last of the ten Heavenly stems The group of base-3-Methylimidazole., 1-dodecyl-3-Methylimidazole. and 1-myristyl-3-Methylimidazole. composition is selected At least one selected.
Anion in chemical formula 1 can be organic anion or inorganic anion.Such as, the anion in chemical formula 1 Can include from by Br-、Cl-、I-、BF4 -、PF6 -、ClO4 -、NO3 -、AlCl4 -、Al2Cl7 -、AsF6 -、SbF6 -、CH3COO-、CF3COO-、 CH3SO3 -、C2H5SO3 -、CH3SO4 -、C2H5SO4 -、CF3SO3 -、(CF3SO2)2N-、(CF3SO2)3C-、(CF3CF2SO2)2N-、 C4F9SO3 -、C3F7COO-(CF3SO2)(CF3CO)N-At least one selected in the group of composition.
In certain embodiments, in graphene-based laminates 100, the ionic liquid in the polymeric layer 130 of doping can Including the compound represented by formula 2 below.In other embodiments, in graphene-based laminates 100, gathering of doping Ionic liquid in compound layer 130 can include the compound represented by chemical formula 1 and 2, or optionally can include by changing The compound that formula 2 represents.
[chemical formula 2]
The ionic liquid of chemical formula 2 can be pyridine salt ionic liquid.In chemical formula 2, R3And R4Can be each other Identical or different from each other, and all can independently be hydrogen, substituted or unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, substituted or unsubstituted C3~C16 cycloalkyl, replacement or do not take C6~the C16 aryl in generation or substituted or unsubstituted C6~C20 heteroaryl;X-The anion of ionic liquid can be represented.
About chemical formula 2, term " replaces " and refers to that replacement has a following radicals: halogen atom, replace the C1 having halogen atom ~C20 alkyl (such as, CF3、CHF2、CH2F、CCl3Deng), hydroxyl, nitro, cyano group, amino, amidino groups, hydrazine, hydrazone, carboxyl or its Salt, sulfonic group or its salt, phosphate or its salt, C1~C20 alkyl, C2~C20 thiazolinyl, C2~C20 alkynyl, the miscellaneous alkane of C1~C20 Base, C6~C20 aryl, C6~C20 aralkyl, C6~C20 heteroaryl or C6~C20 heteroarylalkyl.
Cation in chemical formula 2 can include from by 1-picoline, 1-ethylpyridine, 1-butyl-pyridinium, 1- Ethyl-3-picoline, 1-butyl-3-picoline, 1-hexyl-3-picoline and 1-butyl-3,4-dimethyl At least one selected in the group of pyridine composition.
The anion of chemical formula 2 can be organic anion or inorganic anion.Anion in chemical formula 2 can include with Above in conjunction with at least one in the anion that the anion described by chemical formula 1 is identical, and thereof will be omitted it and retouch in detail State.
In certain embodiments, may further include can be with for the polymeric layer 130 of the doping of graphene-based laminates 100 The polymer that described ionic liquid is compatible.
There is no particular restriction for polymer that can be compatible with described ionic liquid, can be compatible with described ionic liquid Any polymer.Such as, can include from by polyvinyl alcohol, poly-methyl methacrylate by the polymer compatible with described ionic liquid At least one selected in the group of ester, poly(ethylene oxide), poly(propylene oxide), polyvinylidene fluoride and their copolymer composition. In copolymer, the ratio of different repeat units can be controlled as scope commonly used in the art aptly, such as, control be The scope of 0.01:0.99 to 0.99:0.01.
For implementing the mode of the present invention
Hereinafter, the method manufacturing graphene-based laminates 100 according to embodiments of the present invention will be described.
In the method manufacturing graphene-based laminates 100 according to embodiments of the present invention, first, the first substrate makes Graphene growth is to form graphene layer 120.The first substrate as the Seed Layer for graphene growth can be not limited to specific Material.Such as, the first substrate can include from by silicon (Si), nickel (Ni), cobalt (Co), ferrum (Fe), platinum (Pt), gold (Au), aluminum (Al), chromium (Cr), copper (Cu), magnesium (Mg), manganese (Mn), molybdenum (Mo), rhodium (Rh), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), at least one metal or alloy selected in the group that zirconium (Zr), pyrite, bronze, copper-nickel alloy, rustless steel and germanium (Ge) form.
First substrate can include that catalyst layer is to promote the growth of Graphene.Catalyst layer can be not limited to specific material Material.Such as, catalyst layer can be formed by the material identical or different with the material of the first substrate.The thickness of catalyst layer can not Particularly limited.Catalyst layer can be thin layer or thick-layer.
Graphene can be made to grow in the first substrate by conventional chemical vapor deposition (CVD).The example of CVD has soon Speed thermal chemical vapor deposition (RTCVD), inductively coupled plasma chemical gaseous phase deposition (ICP-CVD), low pressure chemical phase sink Long-pending (LPCVD), sub-atmospheric CVD (APCVD), metal organic chemical vapor deposition (MOCVD) and plasma enhancing Chemical gaseous phase deposition (PECVD).
Such as, in order to form graphene layer 120 in the first substrate, after the first substrate is installed in stove, can be greatly Under air pressure, at a temperature of about 300 DEG C to about 2000 DEG C, the first substrate is carried out heat treatment, and supplies the reaction gas including carbon source Body, so that graphene growth.
The example of carbon source has carbon monoxide, carbon dioxide, methane, ethane, ethylene, ethanol, acetylene, propane, butane, fourth two Alkene, pentane, amylene, cyclopentadiene, hexane, hexamethylene, benzene and toluene.
Then, the graphene layer 120 of growth in the first substrate can be transferred to substrate 110, or be transferred on it arrange There is the substrate 110 of the polymeric layer 130 of doping.
In this, can be by any rubbing method in various conventional rubbing methods (such as, spin coating, dip-coating or spraying) The polymeric layer 130 making doping is formed in substrate 110.Such as, gathering in the doping by including ionic liquid and polymer Compound is dissolved in suitable organic solvent after preparing coating solution, by spin coating, this coating solution can be applied to substrate On 110, then it is dried to form the polymeric layer 130 of doping.
The transfer of graphene layer 120 can be performed by direct or indirect transfer method.Such as, can be by utilizing known volume To volume technique, graphene layer 120 is transferred to substrate 110.Hereinafter, for the ease of describing, will be to by utilizing reel-to-reel The method that graphene layer 120 transfers to substrate 110 is illustrated by technique.
Such as, substrate 110 can be made together with first substrate on it with graphene layer 120 through the roller list for stacking Unit, this roller unit includes being arranged to multiple rollers relative to each other, be then passed through another roller unit (such as, including transferring roller) with Graphene layer 120 is transferred to substrate 110, removes the first substrate by etching simultaneously.Available it is selectively etched out the The etching solution of one substrate performs etching.Etching solution can be selected aptly according to the kind of the first substrate.
That is, superposed so that while the first suprabasil graphene layer 120 contacts substrate 110, making substrate 110 With on it with the first substrate of graphene layer 120 through transferring roller, so that the first suprabasil graphene layer 120 is transferred to base The end 110, make substrate 110 and its upper the first substrate process with graphene layer 120 for being selectively etched out first simultaneously The etching solution of substrate, thus graphene layer 120 is transferred in substrate 110 and by utilizing this etching solution to remove first Substrate.
The polymeric layer 130 of doping can be formed between substrate 110 and graphene layer 120.In certain embodiments, can be On transfer graphene layer 120 in substrate 110, form the polymeric layer 130 of doping.In some other embodiment, doping Polymeric layer 130 be formed as two-layer, one layer in the most described two-layer between substrate 110 and graphene layer 120, and And another layer is positioned on suprabasil graphene layer 120.Available known coating process forms the polymeric layer of doping 130。
As it has been described above, according to one or more embodiment of the present invention, can be by least one table at graphene layer The polymeric layer of doping is formed to control the electric conductivity of graphene layer on face.The polymeric layer of doping can also protect graphene layer And stablize graphene layer further.
Although described one or more of the present invention with reference to the accompanying drawings to show embodiment, but the common skill of this area Art personnel, can at this it will be understood that in the case of without departing from the spirit and scope of the present invention being defined by the claims To make the various changes in form and in details.
Industrial applicability
Graphene-based laminates according to any embodiment in above-described embodiment of the disclosure can include being arranged on graphite The polymeric layer of the doping at least one surface of alkene layer, to control the electric conductivity of graphene layer.The polymeric layer of doping is also Graphene layer can be protected and stablize graphene layer further.

Claims (8)

1. a graphene-based laminates, described graphene-based laminates includes:
Substrate;
Graphene layer, is arranged in substrate and includes at least one of which;And
Including the polymer sheet of the doping of organic adulterant, including gathering of the first doping being arranged between substrate and graphene layer Compound sheet and the second polymer sheet adulterated being arranged on graphene layer, wherein, the polymer sheet and second of the first doping is mixed Miscellaneous polymer sheet is separately positioned on the both sides of graphene layer,
Wherein, organic blended dose of the polymer sheet of doping is ionic liquid, and ionic liquid includes by chemical formula 1 and/or chemistry The compound that formula 2 represents:
[chemical formula 1]
Wherein, in chemical formula 1, R1And R2Mutually the same or different from each other, and all independently be hydrogen, substituted or unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, replacement or unsubstituted C3~C16 cycloalkyl, substituted or unsubstituted C6~C16 aryl or substituted or unsubstituted C6~C20 heteroaryl;X-Table Show the anion of ionic liquid,
[chemical formula 2]
Wherein, in chemical formula 2, R3And R4Mutually the same or different from each other, and all independently be hydrogen, substituted or unsubstituted C1~C16 alkyl, substituted or unsubstituted C2~C16 thiazolinyl, substituted or unsubstituted C2~C16 alkynyl, replacement or unsubstituted C3~C16 cycloalkyl, substituted or unsubstituted C6~C16 aryl or substituted or unsubstituted C6~C20 heteroaryl;X-Table Show the anion of ionic liquid.
Graphene-based laminates the most according to claim 1, wherein, described substrate has the transparency, flexibility, ductility Characteristic or the combination of these characteristics.
Graphene-based laminates the most according to claim 1 and 2, wherein, described substrate utilizes has the poly-of repetitive Compound and manufacture, repetitive includes from by substituted or unsubstituted thiazolinyl, substituted or unsubstituted ester group, replacement or unsubstituted Ether, substituted or unsubstituted carbonate group acrylate-based, substituted or unsubstituted, substituted or unsubstituted styrene In the group of base, substituted or unsubstituted amide groups, substituted or unsubstituted imide and substituted or unsubstituted sulfuryl composition At least one selected.
Graphene-based laminates the most according to claim 1 and 2, wherein, described substrate utilizes cellulose or includes fiber Element polymer and manufacture.
Graphene-based laminates the most according to claim 1, wherein, the cation in chemical formula 1 includes from by 1,3-bis- Methylimidazole., 1,3-diethyl imidazolium, 1-ethyl-3-methylimidazole, 1-butyl-3-Methylimidazole., 1-hexyl-3- Methylimidazole., 1-octyl group-3-Methylimidazole., 1-decyl-3-Methylimidazole., 1-dodecyl-3-Methylimidazole. and At least one selected in the group of 1-myristyl-3-Methylimidazole. composition.
Graphene-based laminates the most according to claim 1, wherein, the cation in chemical formula 2 includes from by 1-methyl Pyridine, 1-ethylpyridine, 1-butyl-pyridinium, 1-ethyl-3-picoline, 1-butyl-3-picoline, 1-are own At least one selected in the group of base-3-picoline and 1-butyl-3,4-lutidines composition.
Graphene-based laminates the most according to claim 1, wherein, the anion of the ionic liquid of chemical formula 1 and/or 2 It is organic anion or inorganic anion, and includes from by Br-、Cl-、I-、BF4 -、PF6 -、ClO4 -、NO3 -、AlCl4 -、 Al2Cl7 -、AsF6 -、SbF6 -、CH3COO-、CF3COO-、CH3SO3 -、C2H5SO3 -、CH3SO4 -、C2H5SO4 -、CF3SO3 -、(CF3SO2)2N-、(CF3SO2)3C-、(CF3CF2SO2)2N-、C4F9SO3 -、C3F7COO-(CF3SO2)(CF3CO)N-The group of composition selects At least one.
8. according to the graphene-based laminates described in any one in claim 1,5 to 7, wherein, the polymer sheet of doping Also include can be compatible with described ionic liquid polymer, can include from by polyethylene by the polymer compatible with described ionic liquid Alcohol, polymethyl methacrylate, poly(ethylene oxide), poly(propylene oxide), polyvinylidene fluoride and the group of their copolymer composition At least one of middle selection.
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